93results about How to "Avoid center of gravity shift" patented technology

The invention discloses an insulator sweeping and detecting robot for a high-voltage power transmission line. The robot comprises an annular frame and a control box; the annular frame is capable of being opened towards the two sides around a rotating shaft and comprises an upper layer bracket, a lower layer bracket and a middle layer bracket, wherein the upper layer bracket and the lower layer bracket are fixedly connected through a plurality of auxiliary brackets; the middle layer bracket is capable of moving up and down through a sweeping layer elevating mechanism; the upper layer bracket is provided with an upper clamping jaw for clamping an insulator; a detecting device is arranged on the upper clamping jaw; the middle layer bracket is provided with a sweeping device and an auxiliary clamping jaw which is used for clamping the skirt section of the insulator; a lower clamping jaw capable of moving up and down through a clamping jaw layer elevating mechanism is also arranged between the upper layer bracket and the lower layer bracket; the annular frame opposite to the rotating shaft is provided with a locking mechanism for locking the closed state of the annular frame; a power supply and a controller which is used for controlling the running and action sequence of a rotating mechanism and a servo motor are arranged inside the control box. The insulator sweeping and detecting robot disclosed by the invention is compact in structure, good in adaptablity, complete in sweeping, high in load capacity and applicable to hot-line sweeping and detection of horizontal and suspension insulator strings.

The invention relates to a device, in particular to a packing-off piece installation device of turbine stator blades and a use method of the packing-off piece installation device. According to the technical scheme, the packing-off piece installation device comprises an installation plate, an installation edge, first screws, balancing weights, limiting blocks, second screws, fixing bolts and nuts; the installation plate is a semicircular plate and is provided with two end plates and an auxiliary plate on the top of the arc; first installation holes are formed in the semicircular plate, the interval of the first installation holes is the same as the interval of end holes of the two turbine stator blades, and hoisting holes are formed in the end plates and the auxiliary plate; the balancing weights are fixedly arranged on the end plates, and the limiting blocks are arranged on the end plates through the second screws; the installation edge is in a semicircular shape and provided with second installation holes; the installation plate and the installation edge are connected together through the first screws, and the positions of the first installation holes correspond to the positions of the second installation holes; and the fixing bolts and the nuts are used for fixing the turbine stator blades. By means of the packing-off piece installation device, installation of packing-off pieces is achieved under the condition that positioning pins of the turbine stator blades are not decomposed.

A suspension type sprinkler car comprises a travelling mechanism, a lifting mechanism and a sprinkling structure which are connected sequentially from top to bottom. A water and medicine supply system is mounted on the lifting mechanism. The travelling mechanism comprises a guide rail, a travelling car and a first travelling and driving mechanism which are suspended over in a greenhouse, and is characterized by further comprising a second travelling and driving mechanism which is symmetrically arranged on the other side of the first travelling and driving mechanism. The second travelling and driving mechanism is mounted on the opposite side of the first travelling and driving mechanism of the sprinkler car so as to have weight balance realized. Therefore, center-of-gravity shift is avoided, deflection of the sprinkler car during travelling is prevented and smoothness of the sprinkler car during operation is improved on one hand; on the other hand, power performance of the sprinkler car during operation is improved by the adoption of a double-drive structure.

The invention relates to an apparatus for automatically detecting insulating properties of an electric power transmission line. The apparatus is characterized by including an apparatus main body, a walking module, a measuring module, an outer expansion module, a secondary opening module, a power supply module, a control module and a wireless communication module. The control module, the power supply module, and the wireless communication module are mounted inside the apparatus main body. The power supply module and the other modules are connected so as to supply power to the other modules. The control module is connected to the walking module, the measuring module, the outer expansion module, the secondary opening module, and the wireless communication module so as to realize detection control function. According to the invention, the apparatus main body is moving on the electric power transmission line, and a temperature sensor and an electric field sensor are used individually for collecting temperature values and electric field intensity values at different positions of the electric power transmission line, and malfunction points are determined by the temperature values and the electric field intensity values in combination with a counter on a drive wheel. The apparatus of the invention guarantees timeliness of detection of the insulating properties of the electric power transmission line, effectively prevents unnecessary trouble brought by current method of artificial detection, and substantially increases detection efficiency.

The invention discloses a single-chuck destacking machine, which comprises a rack, wherein a travelling trolley is connected with the rack in a sliding way and is driven by a travelling power device; a lifting frame is connected with the travelling trolley in a sliding way; a lift and pull device is also arranged on the travelling trolley and is used for driving the lifting frame to lift; two clamping plates are horizontally arranged under the lifting frame opposite to each other; limiting grooves are horizontally formed at the bottom of the lifting frame; sliding plates which are connected with the interior of the limiting groove in a sliding way are respectively and fixedly arranged at the tops of the two clamping plates; clamping blocks are respectively and fixedly arranged at the bottoms of the two clamping plates; and a clamping drive device which drives the clamping plates to move in an opposite direction is connected between the tops of the two clamping plates. The single-chuck destacking machine is simple in structure, and can automatically unload brick stacks, and manual brick unloading is not required; therefore, the labor efficiency of workers is high, and the labor intensity is low.

The invention provides an integrated design method of a gyro stabilized platform and an attitude datum. According to the application requirement of independent design of imaging load in an aerial remote sensing system, with the integrated design of the gyro stabilized platform and the attitude datum, high-precision measurement of imaging load motion parameters can be accomplished and imaging loadis independently designed. The method comprises the steps: firstly, according to the motion relationship between frames of the gyro stabilized platform and the imaging load, an installation mode of inertial sensors on the three frames of the gyro stabilized platform is designed; then, inertial information measured by the inertial navigation of a flight carrier and the inertial sensors arranged onthe frames of the gyro stabilized platform is collected; then, the inertial measurement information is decomposed and transmitted to the imaging load by relative angle between the frames outputted bythe angle sensors at the self-rotation axes of the frames of the gyro stabilized platform; and finally, the inertial information transmitted to the imaging load is applied for solving the inertial navigation, and the motion parameters of the imaging load are measured.

The invention relates to a gill type cyanobacterial harvesting ship which includes a ship body, a cyanobacterial collection device, gill type filtering devices and a storage device, wherein the cyanobacterial collection device includes a bracket, a submersible pump assembly and an intercepting net, wherein the submersible pump assembly forms a collecting unit. The collecting unit can be adjusted up and down in the height direction of the ship body. The gill type filtering device includes a frame, a plurality of filter sieve units, an adjustment unit and a spraying unit, wherein each filter sieve unit includes a sieve frame, a screen cloth, a cyanobacterial collecting tank and liquid discharging tanks; the number of the gill type filtering devices is a plurality, the gill type filtering devices are inclined towards the middle of the ship body and draw close; the cyanobacterial collecting tank is communicated with the screen surfaces of the plurality of screen cloths and form an integraltank, the number of the liquid discharging tanks is a plurality, and the liquid discharging tanks are communicated with the back of each screen surface to drain filtrate out of the ship. According tothe gill type cyanobacterial harvesting ship, on the one hand, the harvesting interval can be controlled, and blockage is avoided; on the other hand, through a mode of discharging water through a small tank and using the integral tank to collect cyanobacterial, and harvesting workers' workload is alleviated; at the same time, reasonable layout is performed, and not only is device maintenance facilitated, but also the centre-of-gravity shift of the ship is prevented.

The invention discloses an air drying program control method used for a full-automatic washing machine. An air drying program is executed after the washing machine executes a dewatering process, at least one uniform distribution process is performed in the air drying process, and a uniform distribution effect of clothes is achieved by superimposing different water flow intensities in the uniform distribution processes. The full-automatic washing machine applying the air drying program control method is also disclosed. The uniform distribution processes are added in the full-automatic washing machine, correction of the gravity center of the clothing in a shaking process and a weighing process is effectively achieved, a barrel bumping prompt caused by the shift of the gravity center of the clothes in the air drying process is avoided, the automation rate of the full-automatic washing machine is increased, and the use experience of users is improved.

The invention relates to a welding device facilitating welding operation. The welding device comprises a top base, landing legs and a welding table top, the top base comprises a main base body, sliding grooves which extend front and back and are provided with outward opening parts are symmetrically arranged in the main base body in a left-and-right symmetrical manner, middle rotating grooves located at the middle portions of the left and right sides are arranged in the front end of the main base body, first belt wheels are rotationally installed in the middle rotating grooves through rotatingshafts, side edge rotating grooves are arranged in the front ends of the sliding grooves, conveying grooves which communicate to each other are arranged between the side edge rotating grooves and themiddle rotating grooves, a front sliding block and a back sliding block which are installed in a front-and-back sliding manner are arranged in the sliding grooves, a front screw rod and a back screw rod which are installed in a spiral fit manner are arranged in the front sliding block and the back sliding block, the front screw rod and the back screw rod are fixedly connected, second belt wheels are installed on the side edge rotating grooves and are fixedly connected with the front screw rod, the first belt wheels and the second belt wheels are provided with belts, a front connecting rod extending forwards is fixedly arranged on the outer side end of the front sliding block, and a back connecting rod extending backwards is fixedly arranged on the outer side end of the back sliding block.

The invention discloses a heavy-load leveling crane. The heavy-load leveling crane comprises a power device, a working mechanism, a movable arm, a rotary table and a base plate, wherein the rotary table is arranged on the base plate; the base plate is connected with the rotary table by a supporting mechanism; the supporting mechanism comprises three hydraulic oil cylinder systems; an equilateral triangle shape is formed by three vertexes of the three hydraulic oil cylinder systems. According to the heavy-load leveling crane, the supporting mechanism comprising the three hydraulic oil cylinder systems is arranged and the three hydraulic oil cylinder systems form the equilateral triangle shape to finish crosswise and lengthwise adjustment; with the adoption of the structure, the space can be saved effectively and the rotary table is kept on one horizontal plane all the time, center-of-gravity shift caused by suspending a heavy object is prevented, and the crane is prevented from being turned on one side due to the weight of a cantilever and the like of the crane and moment shift caused by the center-of-gravity shift; the weight of the base plate is lightened effectively; meanwhile, the bearing weight of the crane can be increased and the performance of the crane is improved.

The invention discloses an electric controller for a shear forklift. The electric controller comprises an upper forklift controller and a lower forklift controller. The upper forklift controller and the lower forklift controller are connected through a CAN bus. The upper forklift controller comprises an upper forklift control box and a controller body which are connected through a cable. The top of the upper forklift control box is provided with a first display screen and a first control handle. The front of the upper forklift control box is provided with a first sudden stop rotary knob. The lower forklift controller comprises a lower forklift control box and a controller body which are connected through a cable. The top of the lower forklift control box is provided with a second control handle. The front of the lower forklift control box is provided with a second display screen and a second sudden stop rotary knob. The electric controller for the shear forklift is directly driven by the controller bodies, high in speed and stable; an upper forklift body communicates with a lower forklift body through the CAN bus; upper forklift control lines and lower forklift control lines are reduced; aging is not prone to happening; and arrangement on the safety aspect is added, so that the effect that operation is safe and reliable is ensured.

The invention provides a manned stair climbing machine. According to the machine, a first electric telescopic rod is hinged to a first side of a frame body, a second electric telescopic rod is hingedto a second side of the frame body, one side of the bottom of a seat is fixedly connected with the first electric telescopic rod, a second side of the seat is fixedly connected with the top of the first electric telescopic rod, a buffer damping assembly is arranged between the bottom of the seat and the frame body, an inclination sensor is arranged on the seat, a proximity switch sensor is arranged on the frame body, a roller moving mechanism is arranged on a first side of the bottom of the frame body, and a star wheel with adjustable length is arranged on a second side of the bottom of the frame body. According to the machine, roller movement and star wheel stair climbing are independent from each other, stair climbing and moving can be quickly carried out, in the process of stair climbing, the seat can be in a horizontal state, centre-of-gravity shift of a human body is avoided, in addition, the length of the star wheel can be adjusted to adapt to stairs of different sizes, and a connecting rod is provided with scales which are beneficial to adjusting the length of the star wheel.

The invention discloses a wrapping post structure, a carrier, a lens driving device, a photographic device and an electronic product, and the key points of the technical scheme are that the wrapping post structure comprises a fixed part fixed on the carrier, and one end, deviating from the carrier, of the fixed part is integrally provided with a winding part for winding the end part of a coil; the sectional area of the winding part is smaller than that of the fixed part, one end, far away from the fixed part, of the winding part is provided with an anti-falling part, the surface of one side, facing a bonding pad, of the anti-falling part and a coil head lower than the winding part face the surface of the bonding pad, and the distance between two side walls of the anti-falling part is larger than that between two side walls of the winding part. The surface, facing the bonding pad, of the fixed part is higher than the coil end of the winding part or the coil end of the winding part. The structure effectively avoids the tilting of the bonding pad caused by excessive solder paste during tin soldering, controls the flow direction of the solder paste, and ensures that the center of gravity of the carrier after tin soldering is located at the center of the carrier.

The invention discloses a rotary bookshelf for library reading. The bookshelf comprises a base, a supporting column installed on the base and a book storage bin rotationally arranged on the supportingcolumn in a sleeving mode. The book storage bin comprises a bottom plate and a plurality of rotary tables sequentially arranged in the vertical direction of the supporting column. The diameters of the rotary tables are sequentially reduced from top to bottom; the bottom plate is matched with the rotating disc located at the bottommost portion in size, the supporting column is sleeved with the bottom plate, an air cylinder connected with the base is installed at the bottom of the bottom plate, a through hole coaxial with the supporting columns is machined in the middle of each rotary table, bearings matched with the supporting column are installed in the through holes, and a dust cover is installed on the supporting column above the book storage bin. According to the rotary bookshelf, thebook storage bin of the rotary bookshelf is made into the rotary tables which are sequentially shrunk from top to bottom, a reader can sit on the steps of the base for reading after taking a book, thesteps are further provided with back plates for supporting the reader so as to improve the reading comfort of the reader, and meanwhile, the base of the rotary bookshelf is reasonably utilized, so that the purpose of relieving the tension of seats in a library can be achieved.

A welding device, comprising a top base, legs and a welding table, the top base includes a main base body, the main base body is provided with sliding grooves extending front and back and facing outwards in the left and right sides, and the front end of the main base body is provided with a The middle part of the trough, the first pulley is rotatably installed in the middle trough through the rotating shaft, the front end of the sliding trough is provided with a side trough, and a communication trough is arranged between the side trough and the middle trough, and the sliding A front sliding block and a rear sliding block can be slid back and forth in the groove, and a front screw rod and a rear screw rod are respectively screw-fitted in the front sliding block and the rear sliding block, and the front screw rod and the rear screw rod are fixed connection, a second pulley is installed in the side turn slot, the second pulley is fixedly connected with the front screw rod, a belt is installed on the first pulley and the second pulley, and the outer end of the front sliding block is fixedly provided with a forward The extended front connecting rod, the rear connecting rod extended backwards is fixedly arranged at the outer end of the rear sliding block block.

The invention relates to child bicycles, in particular to an anti-turnover child tricycle. According to the anti-turnover child tricycle, a balancing weight is arranged, and a handlebar matched with the balancing weight serves as a driving device of an active device, so that the child tricycle is not prone to turning over when used by a child. Concretely, when the child tricycle makes a turn, an active gear is driven by a vertical rod of the handlebar to rotate to drive a poking rod to act, and the balancing weight is pushed to the direction opposite to the turning direction of the child tricycle to prevent centre-of-gravity shift of the child tricycle, so that the child tricycle is not prone to turning over, and stability of the child tricycle in the sharp turn process is improved.

The invention discloses an intelligent stair-climbing express delivery trolley which comprises a fixing plate, a gravity center control mechanism arranged on the fixing plate, a planet wheel type structure wheel set, a transmission mechanism used for driving the planet wheel type structure wheel set to roll, an elevator key mechanism and a circuit device. Two limiting plates, which are symmetrically distributed, are arranged on the upper surface of the fixing plate; and supporting columns are fixedly connected to the four corners of the bottom of the fixing plate. The bottoms of the supportingcolumns are fixedly connected with a connecting plate. According to the invention, the planet wheel type structure wheel set is adopted; a mechanical trolley with the stair climbing capability is manufactured; a sliding groove structure is installed on the vehicle, automatic balance in the stair climbing process is achieved, all sensor modules are combined, a hardware circuit system suitable forstair climbing and elevator taking is established, intelligent stair climbing is achieved, simulation physical key accuracy is improved by applying coordinate data positioning, floor positioning is achieved through an air pressure sensing module, so that the function of elevator taking of the vehicle is achieved.

The invention discloses a convenient-and-fast sprinkling device. The convenient-and-fast sprinkling device comprises a top frame and standing rods, wherein the top frame comprises a main frame body, sliding conveying grooves extending front and back are correspondingly arranged in the main frame body left and right, and the sliding conveying grooves have groove openings formed outwards; a middle rotatable cabin located in the middle of the left and the right is arranged at the front end of the main frame body, a first conveying wheel is rotatably installed in the middle rotating cabin througha rotatable arm, lateral rotatable cabins are arranged at the front ends of the sliding conveying grooves, conveying grooves mutually communicated are formed between the lateral rotatable cabins and the middle rotatable cabin, front sliding conveying blocks and back sliding conveying blocks can be smoothly installed in the sliding conveying grooves front and back, front screw rods and back screw rods are installed in the front sliding conveying blocks and the back sliding conveying blocks in a screw-matching mode respectively, the front screw rods are fixedly connected with the back screw rods, second conveying wheels are installed in the lateral rotatable cabins and fixedly connected with the front screw rods, a conveying belt is installed on the first conveying wheel and the second conveying wheels, front connecting columns extending frontwards are fixedly arranged at the outer side ends of the front sliding conveying blocks, and back connecting columns extending backwards are fixedly arranged at the outer side ends of the back sliding conveying blocks.

The invention relates to bridge equipment which comprises a top plate, a supporting column and a sun-shading net. The top plate comprises a main plate body. Sliding grooves which extend front and back and are opened outward are symmetrically arranged in the main plate body left and right; a central point rotary chamber located at the center left and right is arranged on the front end of the main plate body, a first rotary wheel is rotatably mounted in the central point rotary chamber through a rotary rod; a side rotary chamber is arranged on the front end of the sliding groove; transfer grooves communicating each other are arranged between the side rotary chamber and the central point rotary chamber; a front slide block and a back slide block are slidably mounted in each of the sliding grooves front and back; a front screw rod and a back screw rod are spirally mounted in the front slide block and the back slide block in a matched manner, separately; the front screw rod and the back screw rod are fixedly connected; a second rotary wheel is mounted in the side rotary chamber; the second rotary wheel is fixedly connected to the front screw rod; rotary belts are mounted on the first rotary wheel and the second rotary wheel; and a front connecting rod which extends forward is fixedly arranged on the outer side end of the front slide block, and a back connecting rod which extends forward is fixedly arranged on the outer side end of the back slide block.

The invention discloses remote communication equipment capable of stably floating and used for marine environment monitoring, which comprises a floating platform, the bottom of the floating platform is fixedly connected with a base, the bottom of the base is fixedly provided with a gravity center balance block, the bottom of the gravity center balance block is fixedly connected with a connecting chain, and the bottom of the connecting chain is fixedly connected with a fixing anchor. According to the remote communication equipment capable of stably floating and used for monitoring the marine environment, when the equipment is hit by sea waves, a gravity center balance point can be quickly found due to the gravity center balance block in the center of the bottom of the floating platform, so that the whole buoy is restored to be in an upright state after being impacted by the sea waves; after the floating platform inclines to be in contact with seawater, as the edge of the waterproof ring is in an arc inclined shape, the seawater flows down, and the seawater is prevented from entering the buoy; seawater slides down and is prevented from entering the buoy, so that the gravity center of the buoy is prevented from shifting, the stability of the buoy and the communication equipment is improved, the communication equipment is prevented from falling under the impact of sea waves, and normal use of the communication equipment is guaranteed.

The invention provides hoisting equipment for transformer installation. The hoisting equipment for transformer installation comprises a hoisting plate, a hook, a connecting hook, a transformer and a fixed bottom plate, wherein a hook limiting groove is formed in the center of the top of the hoisting plate; the hook is movably connected into the hook limiting groove; a hook bottom plate is fixedlyconnected to the bottom of the hook; ejector rods are fixedly connected to the two sides of the bottom of the hook bottom plate; a strong spring is fixedly connected between the top of the hook bottomplate and the inner top of the hook limiting groove; the connecting hook is connected to the bottom of the hoisting plate in a penetrating mode; push-back device cabins are arranged at the positions,on the two sides of the connecting hook, of the bottom of the hoisting plate; the transformer is connected to the bottom of the connecting hook in a meshed mode; a connecting lock groove is formed atthe meshed part between the top of the transformer and the connecting hook; and the fixed bottom plate is fixedly connected to the bottom of the transformer. According to the hoisting equipment for transformer installation provided by the invention, the problems that in the transformer hoisting process, transformer connection is insufficient due to personnel negligence, transformer bases need tobe arranged by multiple persons in advance for transformer safety, and consequently manpower resources are wasted are solved.

The invention discloses a scientific auxiliary exercise device for human body movement and an exercise method thereof. The side end of a lifting screw rod is sleeved with a fixed supporting plate, the two ends of the fixed supporting plate are symmetrically hinged to expansion supporting plates, one side of the top end of the fixed supporting plate is rotationally connected with an adjusting screw rod, and the side end of the adjusting screw rod is sleeved with a limiting sleeving frame; protective sponge sleeves are symmetrically connected to the side ends of the limiting sleeving frames in a bonded mode, the fixed supporting plate and the limiting sleeving frames are adjusted through the lifting lead screws and the adjusting screw rods, so that different positions are adjusted according to different persons, rapid adjustment can be conducted according to personal needs when the persons use the device, and the stability of supporting of the persons is guaranteed; and meanwhile, the supporting position is expanded through the fixed limiting frame, the clamping spring and the expanding supporting plate, the optimal supporting area is guaranteed, and therefore the safety and comfort of personnel in the using process are guaranteed.